package com.xigege.springcloud.controller;

import com.xigege.springcloud.entities.CommonResult;
import com.xigege.springcloud.entities.Payment;
import com.xigege.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private  String serverPort;

    @Resource
    private DiscoveryClient discoveryClient;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int result = paymentService.create(payment);
        log.info("****插入接口：" + result);

        if (result > 0){
            return new CommonResult(200,"插入数据库成功serverPort"+serverPort,result);
        }else {
            return new CommonResult(444,"插入数据库失败",null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("****插入接口：" + payment);

        if (payment != null){
            return new CommonResult(200,"查询成功serverPort"+serverPort,payment);
        }else {
            return new CommonResult(444,"没有记录，查询失败",null);
        }
    }

    @GetMapping(value = "/payment/discovery")
    public  Object discovery(){
        //获得服务清单列表
       List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("***********" + element);
        }
        //通过微服务的名称，进一步的获得微服务的相关信息
        //一个微服务下面的全部各种实例
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout(){
           try{
               //程序进来了停三秒钟
               TimeUnit.SECONDS.sleep(3);
           }catch (Exception e){
               e.printStackTrace();
           }
           return serverPort;
    }
    @GetMapping("/payment/zipkin")
    public String paymentZipkin() {
        return "hi ,i'am paymentzipkin server fall back，welcome to atguigu，O(∩_∩)O哈哈~";
    }
}
